If you try to connect to the Roost IFTTT Channel and get the error message "Invalid Login Credentials," most likely your Roost password is incorrect.
In your Roost app, tap the cog icon in the upper right hand corner to access your Settings. Tap "Change Password," and enter your new password.
Try to connect to the Roost IFTTT Channel again with your new password.
If you continue to experience trouble, please contact Roost Customer Support.